Finding the Fourth Proportional to 49,931,348.68, 68,907,389.20 and 27,904,847.44
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Solution
The fourth proportional to 49,931,348.68, 68,907,389.20 and 27,904,847.44 is: 38,509,878.74
Step by Step Solution
- Step 1: Write the proportion equation
49,931,348.68 : 68,907,389.20 = 27,904,847.44 : x - Step 2: Convert to fraction form
49,931,348.68/68,907,389.20 = 27,904,847.44/x - Step 3: Cross multiply
49,931,348.68x = 68,907,389.20 × 27,904,847.44 - Step 4: Simplify right side
49,931,348.68x = 1,922,850,183,114,703.75 - Step 5: Solve for x
x = 1,922,850,183,114,703.75/49,931,348.68 - Step 6: Final answer
x = 38,509,878.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.